package com.sunqizhong.mapper;

import com.sunqizhong.entity.Dept;
import org.apache.ibatis.annotations.*;

import java.util.List;

@Mapper
public interface DeptMapper {
    /*查询部门列表*/
    //@Select("select * from dept")
/*    //数据封装方式一：手动结果映射
    @Results({
            @Result(column = "create_time",property = "createTime"),
            @Result(column = "update_time",property = "updateTime"),
    })*/

/*    //数据封装方式二：起别名
    @Select("select id,name,create_time createTime,update_time updateTime from dept")
    public List<Dept> list();*/

    //数据封装方式三：全局配置，开启驼峰命名规则映射
    @Select("select * from dept")
    public List<Dept> list();

    /*
    * 根据id删除部门
    *
    * */
    @Delete("delete from dept where id = #{id}")
    void delete(Integer id);

    /*
    * 根据id查询部门数据
    * */
    @Select("select * from dept where id = #{id}")
    Dept getById(Integer id);

    /*
    * 根据id更新部门
    * */
    @Update("update dept set name = #{name}, update_time = #{updateTime} where id = #{id}")
    void update(Dept dept);

    /*
    * 新增部门
    * */
    @Insert("insert into dept(name,create_time,update_time) values (#{name},#{createTime},#{updateTime})")
    void insert(Dept dept);
    //mybatis.configuration.map-underscore-to-camel-case=true  配置文件输入
}
